[BAEL-8473] - Moved articles from spring-boot module to new spring-boot-client module

2018-08-26 15:10:16 +05:30
parent 24b6f662d8
commit c7f95c2c65
15 changed files with 201 additions and 24 deletions
@@ -0,0 +1,14 @@
+package org.baeldung.boot;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.context.ApplicationContext;
+
+@SpringBootApplication
+public class Application {
+    private static ApplicationContext applicationContext;
+
+    public static void main(String[] args) {
+        applicationContext = SpringApplication.run(Application.class, args);
+    }
+}
@@ -0,0 +1,32 @@
+package org.baeldung.boot.client;
+
+public class Details {
+
+    private String name;
+
+    private String login;
+
+    public Details() {
+    }
+
+    public Details(String name, String login) {
+        this.name = name;
+        this.login = login;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public String getLogin() {
+        return login;
+    }
+
+    public void setLogin(String login) {
+        this.login = login;
+    }
+}
@@ -0,0 +1,20 @@
+package org.baeldung.boot.client;
+
+import org.springframework.boot.web.client.RestTemplateBuilder;
+import org.springframework.stereotype.Service;
+import org.springframework.web.client.RestTemplate;
+
+@Service
+public class DetailsServiceClient {
+
+    private final RestTemplate restTemplate;
+
+    public DetailsServiceClient(RestTemplateBuilder restTemplateBuilder) {
+        restTemplate = restTemplateBuilder.build();
+    }
+
+    public Details getUserDetails(String name) {
+        return restTemplate.getForObject("/{name}/details", Details.class, name);
+    }
+
+}
@@ -0,0 +1,24 @@
+package org.baeldung.websocket.client;
+
+public class Message {
+
+    private String from;
+    private String text;
+
+    public String getText() {
+        return text;
+    }
+
+    public String getFrom() {
+        return from;
+    }
+
+    public void setFrom(String from) {
+        this.from = from;
+    }
+
+    public void setText(String text) {
+        this.text = text;
+    }
+
+}
@@ -0,0 +1,59 @@
+package org.baeldung.websocket.client;
+
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
+import org.springframework.messaging.simp.stomp.StompCommand;
+import org.springframework.messaging.simp.stomp.StompHeaders;
+import org.springframework.messaging.simp.stomp.StompSession;
+import org.springframework.messaging.simp.stomp.StompSessionHandlerAdapter;
+
+import java.lang.reflect.Type;
+
+/**
+ * This class is an implementation for <code>StompSessionHandlerAdapter</code>.
+ * Once a connection is established, We subscribe to /topic/messages and 
+ * send a sample message to server.
+ * 
+ * @author Kalyan
+ *
+ */
+public class MyStompSessionHandler extends StompSessionHandlerAdapter {
+
+    private Logger logger = LogManager.getLogger(MyStompSessionHandler.class);
+
+    @Override
+    public void afterConnected(StompSession session, StompHeaders connectedHeaders) {
+        logger.info("New session established : " + session.getSessionId());
+        session.subscribe("/topic/messages", this);
+        logger.info("Subscribed to /topic/messages");
+        session.send("/app/chat", getSampleMessage());
+        logger.info("Message sent to websocket server");
+    }
+
+    @Override
+    public void handleException(StompSession session, StompCommand command, StompHeaders headers, byte[] payload, Throwable exception) {
+        logger.error("Got an exception", exception);
+    }
+
+    @Override
+    public Type getPayloadType(StompHeaders headers) {
+        return Message.class;
+    }
+
+    @Override
+    public void handleFrame(StompHeaders headers, Object payload) {
+        Message msg = (Message) payload;
+        logger.info("Received : " + msg.getText() + " from : " + msg.getFrom());
+    }
+
+    /**
+     * A sample message instance.
+     * @return instance of <code>Message</code>
+     */
+    private Message getSampleMessage() {
+        Message msg = new Message();
+        msg.setFrom("Nicky");
+        msg.setText("Howdy!!");
+        return msg;
+    }
+}
@@ -0,0 +1,30 @@
+package org.baeldung.websocket.client;
+
+import java.util.Scanner;
+
+import org.springframework.messaging.converter.MappingJackson2MessageConverter;
+import org.springframework.messaging.simp.stomp.StompSessionHandler;
+import org.springframework.web.socket.client.WebSocketClient;
+import org.springframework.web.socket.client.standard.StandardWebSocketClient;
+import org.springframework.web.socket.messaging.WebSocketStompClient;
+
+/**
+ * Stand alone WebSocketStompClient.
+ *
+ */
+public class StompClient {
+
+    private static String URL = "ws://localhost:8080/spring-mvc-java/chat";
+
+    public static void main(String[] args) {
+        WebSocketClient client = new StandardWebSocketClient();
+        WebSocketStompClient stompClient = new WebSocketStompClient(client);
+
+        stompClient.setMessageConverter(new MappingJackson2MessageConverter());
+
+        StompSessionHandler sessionHandler = new MyStompSessionHandler();
+        stompClient.connect(URL, sessionHandler);
+
+        new Scanner(System.in).nextLine(); // Don't close immediately.
+    }
+}
@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<configuration>
+    <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
+        <encoder>
+            <pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n
+            </pattern>
+        </encoder>
+    </appender>
+
+    <logger name="org.springframework" level="WARN" />
+    <logger name="org.springframework.transaction" level="WARN" />
+
+    <!-- in order to debug some marshalling issues, this needs to be TRACE -->
+    <logger name="org.springframework.web.servlet.mvc" level="WARN" />
+
+    <root level="INFO">
+        <appender-ref ref="STDOUT" />
+    </root>
+</configuration>